Finding the Fourth Proportional to 16,397,345.67, 22,628,345.58 and 8,955,109.53
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Solution
The fourth proportional to 16,397,345.67, 22,628,345.58 and 8,955,109.53 is: 12,358,055.82
Step by Step Solution
- Step 1: Write the proportion equation
16,397,345.67 : 22,628,345.58 = 8,955,109.53 : x - Step 2: Convert to fraction form
16,397,345.67/22,628,345.58 = 8,955,109.53/x - Step 3: Cross multiply
16,397,345.67x = 22,628,345.58 × 8,955,109.53 - Step 4: Simplify right side
16,397,345.67x = 202,639,313,151,591.34 - Step 5: Solve for x
x = 202,639,313,151,591.34/16,397,345.67 - Step 6: Final answer
x = 12,358,055.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.